Home / 34,898.66-48,156.23-20,557.55

Finding the Fourth Proportional to 34,898.66, 48,156.23 and 20,557.55

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Solution

The fourth proportional to 34,898.66, 48,156.23 and 20,557.55 is: 28,367.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,898.66 : 48,156.23 = 20,557.55 : x
  2. Step 2: Convert to fraction form
    34,898.66/48,156.23 = 20,557.55/x
  3. Step 3: Cross multiply
    34,898.66x = 48,156.23 × 20,557.55
  4. Step 4: Simplify right side
    34,898.66x = 989,974,277.82
  5. Step 5: Solve for x
    x = 989,974,277.82/34,898.66
  6. Step 6: Final answer
    x = 28,367.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.